public void actionPerfomed
if resize
     myFrame.setSize(new Dimension(300, 300))
else if changeFont
    myFrame.setFont(new Font( "Serif", Font.BOLD, 20 ));

class ImgMod8 extends Frame  {  String msg = "";  int mX1 = 150;  int mY1 = 150;  int mX2 = 0;  int mY2 = 0;   int turn = 1;  static int dst = 0;  double sum = 0.0;  int count;  Image rawImg;  int imgCols;//Number of horizontal pixels  int imgRows;//Number of rows of pixels  Image modImg;//Reference to modified image  //Inset values for the Frame  int inTop;  int inLeft; //To add only one picture at a time int ig = 1; static String theProcessingClass = "PrintMouse5";  // This image file will be processed if another file name is  // not entered on the command line.    static String theImgFile = "white.gif";  MediaTracker tracker;  Display display = new Display();//A Canvas  Button replotButton = new Button("Replot");   //References to arrays that store pixel data.  int[][][] threeDPix;  int[][][] threeDPixMod;  int[] oneDPix;  //Reference to the image-processing object.  ImgIntfc04 imageProcessingObject;  //-------------------------------------------//  public static void main(String[] args){    // Program supports gif files and jpg files    // and possibly some other file types as well.    //Display name of processing program and    // image file.    System.out.println("Processing program: " + theProcessingClass);    System.out.println("Image file: " + theImgFile);    //Instantiate an object of this class    ImgMod8 obj = new ImgMod8();  }//end main  //-------------------------------------------//  public ImgMod8(){//constructor    //Get an image from the specified file.  Can    // be in a different directory if the path    // was entered with the file name on the command line.    rawImg = Toolkit.getDefaultToolkit().getImage(theImgFile);    //Use a MediaTracker object to block until    // the image is loaded or ten seconds has elapsed.    tracker = new MediaTracker(this);    tracker.addImage(rawImg,1);    try{      if(!tracker.waitForID(1,10000)){        System.out.println("Load error.");        System.exit(1);      }//end if    }catch(InterruptedException e){      e.printStackTrace();      System.exit(1);    }//end catch    //Make certain that the file was successfully    // loaded.    if((tracker.statusAll(false) & MediaTracker.ERRORED & MediaTracker.ABORTED) != 0){      System.out.println("Load errored or aborted");      System.exit(1);    }//end if    //Raw image has been loaded.  Get width and    // height of the raw image.    imgCols = rawImg.getWidth(this);    imgRows = rawImg.getHeight(this);    this.setTitle("Get Pixel Distance");    this.setBackground(Color.YELLOW);    this.add(display);    this.add(replotButton,BorderLayout.SOUTH);    //Make it possible to get insets and the    // height of the button.    setVisible(true);    //Get and store inset data for the Frame and    // the height of the button.    inTop = this.getInsets().top;    inLeft = this.getInsets().left;    int buttonHeight = replotButton.getSize().height;    //Size the frame so that a small amount of    // yellow background will show on the right    // and on the bottom when both images are    // displayed, one above the other.  Also, the    // placement of the images on the Canvas    // causes a small amount of background to    // show between the images.    this.setSize(inLeft+imgCols + 1,inTop + buttonHeight + imgRows + 7);     //=========================================//    //Anonymous inner class listener for replot    // button.  This actionPerformed method is    // invoked when the user clicks the Replot    // button.  It is also invoked at startup    // when this program posts an ActionEvent to    // the system event queue attributing the    // event to the Replot button.    replotButton.addActionListener(      new ActionListener(){        public void actionPerformed(ActionEvent e){   //Calculate distance   double a = mX1-mX2;   double b = mY1-mY2;   sum=(Math.sqrt(a*a+b*b)) ;   System.out.println("This Distance is: " + sum);          //Pass a 3D array of pixel data to the          // processing object and get a modified 3D array of pixel data back.    threeDPixMod = imageProcessingObject.processImg(threeDPix, imgRows, imgCols, mX2, mY2);          //Convert the modified pixel data to a          // 1D array of pixel data.          oneDPix = convertToOneDim(threeDPixMod,imgCols,imgRows);          //Use the createImage() method to          // create a new image from the 1D array of pixel data.          modImg = createImage(new MemoryImageSource(imgCols,imgRows,oneDPix,0,imgCols));          //Repaint the image display frame with          // the original image at the top and          // the modified pixel data at the bottom.          display.repaint();           }//end actionPerformed      }//end ActionListener    );//end addActionListener    //End anonymous inner class.    //=========================================//

import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
class ImgMod8 extends Frame  {
  String msg = "";
  int mX1 = 150;
  int mY1 = 150;
  int mX2 = 0;
  int mY2 = 0; 
  int turn = 1;
  static int dst = 0;
  double sum = 0.0;
  int count;
  Image rawImg;
  int imgCols;//Number of horizontal pixels
  int imgRows;//Number of rows of pixels
  Image modImg;//Reference to modified image
  //Inset values for the Frame
  int inTop;
  int inLeft;
 //To add only one picture at a time
 int ig = 1;
  //This program will be executed to process the
  // if the name of another program is not
  // entered on the command line.  
  static String theProcessingClass = "PrintMouse5";
  // This image file will be processed if another file name is
  // not entered on the command line.  
  static String theImgFile = "white.gif";
  MediaTracker tracker;
  Display display = new Display();//A Canvas
  Button replotButton = new Button("Replot");
  //References to arrays that store pixel data.
  int[][][] threeDPix;
  int[][][] threeDPixMod;
  int[] oneDPix;
  //Reference to the image-processing object.
  ImgIntfc04 imageProcessingObject;
  //-------------------------------------------//
  public static void main(String[] args){
    // Program supports gif files and jpg files
    // and possibly some other file types as well.
    if(args.length == 0){
      //Use default processing class and default image file.  No code required here.
      // Class and file names were specified above. 
    }else if(args.length == 1){
      theProcessingClass = args[0];
      //Use default image file
    }else if(args.length == 2){
      theProcessingClass = args[0];
      theImgFile = args[1];
    }else if(args.length == 3){
      theProcessingClass = args[0];
      theImgFile = args[1];
      dst = Integer.parseInt(args[2]);
    }else{
      System.out.println("Invalid args");
      System.exit(1);
    }//end else
    //Display name of processing program and
    // image file.
    System.out.println("Processing program: " + theProcessingClass);
    System.out.println("Image file: " + theImgFile);
    //Instantiate an object of this class
    ImgMod8 obj = new ImgMod8();
  }//end main
  //-------------------------------------------//
  public ImgMod8(){//constructor
    //Get an image from the specified file.  Can
    // be in a different directory if the path
    // was entered with the file name on the command line.
    rawImg = Toolkit.getDefaultToolkit().getImage(theImgFile);
    //Use a MediaTracker object to block until
    // the image is loaded or ten seconds has elapsed.
    tracker = new MediaTracker(this);
    tracker.addImage(rawImg,1);
    try{
      if(!tracker.waitForID(1,10000)){
        System.out.println("Load error.");
        System.exit(1);
      }//end if
    }catch(InterruptedException e){
      e.printStackTrace();
      System.exit(1);
    }//end catch
    //Make certain that the file was successfully
    // loaded.
    if((tracker.statusAll(false) & MediaTracker.ERRORED & MediaTracker.ABORTED) != 0){
      System.out.println("Load errored or aborted");
      System.exit(1);
    }//end if
    //Raw image has been loaded.  Get width and
    // height of the raw image.
    imgCols = rawImg.getWidth(this);
    imgRows = rawImg.getHeight(this);
    this.setTitle("Get Pixel Distance");
    this.setBackground(Color.YELLOW);
    this.add(display);
    this.add(replotButton,BorderLayout.SOUTH);
    //Make it possible to get insets and the
    // height of the button.
    setVisible(true);
    //Get and store inset data for the Frame and
    // the height of the button.
    inTop = this.getInsets().top;
    inLeft = this.getInsets().left;
    int buttonHeight = replotButton.getSize().height;
    //Size the frame so that a small amount of
    // yellow background will show on the right
    // and on the bottom when both images are
    // displayed, one above the other.  Also, the
    // placement of the images on the Canvas
    // causes a small amount of background to
    // show between the images.
    this.setSize(inLeft+imgCols + 1,inTop + buttonHeight + imgRows + 7);
 
    //=========================================//
    //Anonymous inner class listener for replot
    // button.  This actionPerformed method is
    // invoked when the user clicks the Replot
    // button.  It is also invoked at startup
    // when this program posts an ActionEvent to
    // the system event queue attributing the
    // event to the Replot button.
    replotButton.addActionListener(
      new ActionListener(){
        public void actionPerformed(ActionEvent e){
   //Calculate distance
   double a = mX1-mX2;
   double b = mY1-mY2;
   sum=(Math.sqrt(a*a+b*b)) ;
   System.out.println("This Distance is: " + sum);
          //Pass a 3D array of pixel data to the
          // processing object and get a modified 3D array of pixel data back. 
   threeDPixMod = imageProcessingObject.processImg(threeDPix, imgRows, imgCols, mX2, mY2);
          //Convert the modified pixel data to a
          // 1D array of pixel data.
          oneDPix = convertToOneDim(threeDPixMod,imgCols,imgRows);
          //Use the createImage() method to
          // create a new image from the 1D array of pixel data.
          modImg = createImage(new MemoryImageSource(imgCols,imgRows,oneDPix,0,imgCols));
          //Repaint the image display frame with
          // the original image at the top and
          // the modified pixel data at the bottom.
          display.repaint();
 
        }//end actionPerformed
      }//end ActionListener
    );//end addActionListener
    //End anonymous inner class.
    //=========================================//